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患者男，50岁，农民。右眼磨痛，异物感，畏光1年余。曾多次在当地按“结膜炎”给予青霉素注射，氯霉素、利福平滴眼液，羊肝丸等口服，症状时轻时重。近10天来，症状明显加重，来院检查。视力右0．2，右1．0右眼混合性充血，角膜正中下方，5－8点方向条状灰白色浸润，附近角膜
Male patient, 50 years old, farmer. Right eye aches, foreign body sensation, photophobia more than 1 year. Has repeatedly in the local press “conjunctivitis” penicillin injection, chloramphenicol, rifampicin eye drops, sheep liver pills and other oral, when the symptoms of light weight. The past 10 days, the symptoms were significantly worse, to hospital examination. Visual acuity of right 0.2, right 1.0 mixed right eye congestion, the cornea in the middle of the bottom, 5-8 points direction bar gray infiltration, near the cornea